import { EIP1193ProviderFunc, JsonRpcRequest, JsonRpcMiddlewareHandler } from "../types.js";
export interface CachedProviderOptions {
    defaultChainId?: number;
    blockCache?: boolean | string[];
}
export declare class CachedProvider implements JsonRpcMiddlewareHandler {
    private cachableJsonRpcMethods;
    private cachableJsonRpcMethodsByBlock;
    private cache;
    private cacheByBlock;
    private cacheByBlockResetLock;
    private onUpdateCallback?;
    readonly defaultChainId?: number;
    constructor(options?: CachedProviderOptions);
    requestHandler: (next: EIP1193ProviderFunc) => (request: JsonRpcRequest) => Promise<any>;
    cacheKey: (method: string, params: any[], chainId?: number) => string;
    getCache: () => {
        [key: string]: any;
    };
    setCache: (cache: {
        [key: string]: any;
    }) => void;
    getCacheValue: (key: string) => any;
    setCacheValue: (key: string, value: any) => void;
    setCacheByBlockValue: (key: string, value: any) => void;
    shouldCacheResponse: (request: JsonRpcRequest, result?: any) => boolean;
    onUpdate(callback: (key?: string, value?: any) => void): void;
    clearCache: () => void;
}